But if you cannot, as indeed you cannot, then guard yourselves against the Fire whose fuel is men and rocks, which has been prepared for the infidels.

And if you are unable to bring forth (one chapter) – and We declare that you can never bring one – then fear the fire (of hell), the fuel of which is men and stones; kept ready for the disbelievers.

And if you do not -- and you will not -- then fear the Fire, whose fuel is men and stones, prepared for unbelievers.

And if you cannot do it-and most certainly you cannot do it-then be conscious of the fire whose fuel is human beings and stones which awaits all who deny the truth!

But if ye do it not, --and by no means ye shall, --then dread the Fire, the fuel whereof is men and stones, gotten ready for the infidels.

But if you do it not, and you can never do it, then fear the Fire (Hell) whose fuel is men and stones, prepared for the disbelievers.

But if you do not—and you will not—then beware the Fire whose fuel is people and stones, prepared for the disbelievers.

But if you do not—and you will not—then beware the Fire whose fuel is people and stones, prepared for the disbelievers.

But if you do not, and you will not, then beware the Fire whose fuel is people and stones, prepared for the disbelievers.

But if you do not, and you will not, then beware the Fire whose fuel is people and stones, prepared for the disbelievers.

But if you are unable to do so—and you will never be able to do so—then fear the Fire fuelled with people and stones, which is prepared for the disbelievers.

But if you do not do this, and you can never do this, then fear the Fire which has been prepared for the disbelievers and which shall have men and stones for fuel.

But if you do it not, and you can never do it, then fear the Fire (Hell) whose fuel is men and stones, prepared for the disbelievers.

And if ye do it not - and ye can never do it - then guard yourselves against the Fire prepared for disbelievers, whose fuel is of men and stones.

But if you do not—and you will not—then beware the Fire whose fuel will be humans and stones, prepared for the faithless.

But if you fail, as you are sure to fail, then guard yourselves against the Fire whose fuel is people and stones, prepared for the unbelievers.

But if you do not - and you will never be able to - then fear the Fire, whose fuel is men and stones, prepared for the disbelievers.

If you do not produce such a chapter and you never will then guard yourselves against the fire whose fuel will be people and stones and is prepared for those who hide the Truth.

But if you do (it) not and never shall you do (it), then be on your guard against the fire of which men and stones are the fuel; it is prepared for the unbelievers.

Fain lam tafAAaloo walan tafAAaloo faittaqoo alnnara allatee waqooduha alnnasu waalhijaratu oAAiddat lilkafireena

fa-in lam tafʿalū walan tafʿalū fa-ittaqū l-nāra allatī waqūduhā l-nāsu wal-ḥijāratu uʿiddat lil'kāfirīna

But if you cannot do it, and you can never do it, then guard yourselves against the Fire whose fuel is men and stones, prepared for those who deny the truth.

But if ye cannot- and of a surety ye cannot- then fear the Fire whose fuel is men and stones,- which is prepared for those who reject Faith.